Rechargeable battery device



FIG. 1 is a front perspective view of the rechargeable battery device;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a right elevation view thereof;

FIG. 6 is a left elevation view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines showing a rechargeable battery device are included forthe purpose of illustrating environment and form no part of the claimeddesign.

CLAIM The ornamental design for a rechargeable battery device, as shownand described.